Usage History of 'auxin'

The following chart shows how frequently 'auxin' appeared in printed materials over time. For example, the word 'auxin' occurred 2 times in books in 1704 and 12,902 times in 2008. From 1704 to 2008, the word 'auxin' was used a total of 648,105 times in books scanned by Google. See Reference: Google Ngram project.

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